New Monolithic Power Systems CFO Frank Anthony Balow III Files Initial Form 3

Executive Overview

On October 29, 2026, Frank Anthony Balow III, Chief Financial Officer of Monolithic Power Systems, Inc. ($MPWR), filed an initial Form 3 Statement of Beneficial Ownership of Securities with the SEC. The report establishes an initial direct ownership baseline of 2,941 shares of common stock as of October 27, 2026.

Key Holdings & Equity Structure

• Total Common Stock Reported: 2,941 shares held directly.
• Restricted Stock Units (RSUs): Of the reported total, 1,206 shares represent unvested RSUs scheduled to vest quarterly through February 22, 2030, subject to continued service.
• Derivative Securities: No options or other derivative instruments were reported.

Market & Trading Significance

This filing represents standard regulatory compliance under Section 16(a) following an individual's appointment to an executive officer role. Because this Form 3 reports existing initial equity holdings and does not involve open-market buy or sell transactions, it carries Low immediate market-trading significance.